We can pretty much tell by their appearance who is Chinese and who is Japanese
We can usually distinguish by looking at them who is Chinese and who is Japanese
「誰が中国人で誰が日本人か見た目でなんとなく分かるよ」＝ We can pretty much tell by their appearance who is Chinese and who is Japanese / We can usually distinguish by looking at them who is Chinese and who is Japanese
ボキャブラリー
pretty much ＝ なんとなく
tell/distinguish ＝ わかる、区別する
by their appearance / by looking at them ＝ 見た目で
"I can generally tell who is Chinese and who is Japanese just by looking."
「誰が中国人で誰が日本人か見た目でなんとなく分かるよ」という表現は、視覚的な手がかりや直感を使って人々の国籍を判断する能力を示しています。
- "I can generally tell who is Chinese and who is Japanese just by looking."
「見ただけでだいたい誰が中国人で誰が日本人か分かる」。
関連フレーズ:
- Tell apart: 判別する
- Just by looking:見ただけで
イギリス 
アメリカ合衆国 
